Update dependencies for Node.js (2017-07-12) (#4167)
* Update @storybook/addon-actions to version 3.1.8
* Update @storybook/react to version 3.1.8
* Update autoprefixer to version 7.1.2
* Update babel-loader to version 7.1.1
* Update babel-preset-env to version 1.6.0
* Update chai to version 4.1.0
* Update js-yaml to version 3.9.0
* Update jsdom to version 11.1.0
* Update postcss-smart-import to version 0.7.5
* Update sinon to version 2.3.7
* Update substring-trie to version 1.0.1
* Update webpack to version 3.2.0
* Update webpack-manifest-plugin to version 1.1.2
* yarn upgrade
* Upgrade extract-text-webpack-plugin to version 3.0.0
* Upgrade intl-relativeformat to version 2.0.0